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Prothrombin complex concentrate cpb

Manchula Navaratnam, Ann Ng, Glyn D Williams, Katsuhide Maeda, Julianne M Mendoza, Waldo Concepcion, Seth A Hollander, Chandra Ramamoorthy
BACKGROUND: Combined heart and liver transplantation (CHLT) in the pediatric population involves a complex group of patients, many of whom have palliated congenital heart disease (CHD) involving single ventricle physiology. OBJECTIVE: The purpose of this study was to describe the perioperative management of pediatric patients undergoing CHLT at a single institution and to identify management strategies that may be used to optimize perioperative care. METHODS: We did a retrospective database review of all patients receiving CHLT at a children's hospital between 2006 and 2014...
October 2016: Paediatric Anaesthesia
Judith Höfer, Dietmar Fries, Cristina Solomon, Corinna Velik-Salchner, Julia Ausserer
Cardiac surgery involving cardiopulmonary bypass (CPB) is often associated with important blood loss, allogeneic blood product usage, morbidity, and mortality. Coagulopathy during CPB is complex, and the current lack of uniformity for triggers and hemostatic agents has led to a wide variability in bleeding treatment. The aim of this review is to provide a simplified picture of the data available on patients' coagulation status at the end of CPB in order to provide relevant information for the development of tailored transfusion algorithms...
September 2016: Clinical and Applied Thrombosis/hemostasis
Romy M W Kremers, Yvonne P J Bosch, Saartje Bloemen, Bas de Laat, Patrick W Weerwind, Bas Mochtar, Jos G Maessen, Rob J Wagenvoord, Raed Al Dieri, H Coenraad Hemker
Cardiac surgery with cardiopulmonary bypass (CPB) is associated with blood loss and post-surgery thrombotic complications. The process of thrombin generation is disturbed during surgery with CPB because of haemodilution, coagulation factor consumption and heparin administration. We aimed to investigate the changes in thrombin generation during cardiac surgery and its underlying pro- and anticoagulant processes, and to explore the clinical consequences of these changes using in silico experimentation. Plasma was obtained from 29 patients undergoing surgery with CPB before heparinisation, after heparinisation, after haemodilution, and after protamine administration...
August 30, 2016: Thrombosis and Haemostasis
Sarah W Franklin, Fania Szlam, Janet D Fernandez, Traci Leong, Kenichi A Tanaka, Nina A Guzzetta
BACKGROUND: Bleeding is a serious complication after pediatric cardiopulmonary bypass (CPB) that is associated with an increase in perioperative morbidity and mortality. Four-factor prothrombin complex concentrates (4F-PCCs) have been used off-label to supplement transfusion protocols for bleeding after CPB in adults; however, data on their use in neonates are limited. In this study, we hypothesized that 4F-PCCs administered ex vivo to neonatal plasma after CPB will increase thrombin generation...
April 2016: Anesthesia and Analgesia
Dominik J Hoechter, Vera von Dossow, Hauke Winter, Hans-Helge Müller, Bruno Meiser, Claus Neurohr, Juergen Behr, Sabina Guenther, Christian Hagl, René Schramm
BACKGROUND: This retrospective single-center study aimed to analyze transfusion requirements, coagulation parameters, and outcome parameters in patients undergoing lung transplantation (LuTx) with intraoperative extracorporeal circulatory support, comparing cardiopulmonary bypass (CPB), and extracorporeal membrane oxygenation (ECMO). METHODS: Over a 3-year period, 49 of a total of 188 LuTx recipients were identified being set intraoperatively on either conventional CPB (n = 22) or ECMO (n = 27)...
December 2015: Thoracic and Cardiovascular Surgeon
Tomohiro Yamamoto, Hans-Gerd Wolf, Nicodème Sinzobahamvya, Boulos Asfour, Victor Hraska, Ehrenfried Schindler
BACKGROUND: In open heart surgery, heparinization is commonly neutralized using an empirical heparin:protamine ratio ranging between 1:1 and 1:1.5. However, these ratios may result in protamine overdose that should be avoided for its negative side effects on the coagulation system. This study aimed to indicate the appropriate treatment for prolonged activated clotting time (ACT) after protamine administration following cardiopulmonary bypass (CPB) in pediatric open heart surgery by investigating the underlying reasons for it...
August 2015: Thoracic and Cardiovascular Surgeon
Charles L Percy, Rudolf Hartmann, Rhidian M Jones, Subramaniam Balachandran, Dheeraj Mehta, Michael Dockal, Friedrich Scheiflinger, Valerie B O'Donnell, Judith E Hall, Peter W Collins
Recently, lower thrombin generation has been associated with excess bleeding post-cardiopulmonary bypass (CPB). Therefore, treatment to correct thrombin generation is a potentially important aspect of management of bleeding in this group of patients. The objective of the present study was to investigate the effects of fresh frozen plasma (FFP), recombinant factor VIIa (rFVIIa), prothrombin complex concentrate (PCC) and tissue factor pathway inhibitor (TFPI) inhibition on thrombin generation when added ex vivo to the plasma of patients who had undergone cardiac surgery requiring CPB...
June 2015: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
J Pekelharing, A Furck, W Banya, D Macrae, S J Davidson
INTRODUCTION: Following paediatric cardiac surgery using cardiopulmonary bypass (CPB), there is a risk of significant postoperative bleeding. A number of risk factors are associated with postoperative bleeding including; age, complexity of the surgery, dilution and consumption of clotting factors. We conducted a prospective audit comparing different coagulation tests used following paediatric CPB to determine whether thromboelastography (TEG) on the intensive care unit or routine laboratory coagulation assays including fibrinogen are better at assessing bleeding and bleeding risk...
August 2014: International Journal of Laboratory Hematology
N A Guzzetta, F Szlam, A S Kiser, J D Fernandez, A D Szlam, T Leong, K A Tanaka
INTRODUCTION: Factor concentrates are currently available and becoming increasingly used off-label for treatment of bleeding. We compared recombinant activated factor VII (rFVIIa) with three-factor prothrombin complex concentrate (3F-PCC) for the ability to augment thrombin generation (TG) in neonatal plasma after cardiopulmonary bypass (CPB). First, we used a computer-simulated coagulation model to assess the impact of rFVIIa and 3F-PCC, and then performed similar measurements ex vivo using plasma from neonates undergoing CPB...
February 2014: British Journal of Anaesthesia
S Ogawa, T Ohnishi, K Hosokawa, F Szlam, E P Chen, K A Tanaka
BACKGROUND: Blood flow patterns are important modifiers of platelet interactions with plasma coagulation factors. However, it is not feasible to evaluate rheological effects of haemodilution on coagulation using conventional coagulation testing. METHODS: We evaluated thrombus formation with a microchip-based flow-chamber system using whole blood from 12 healthy volunteers (with/without 40% dilution with saline), and 15 cardiac patients [before/after cardiopulmonary bypass (CPB)] in parallel with thromboelastometry...
December 2013: British Journal of Anaesthesia
Vrigina Arnékian, Julien Camous, Soly Fattal, Saida Rézaiguia-Delclaux, Rémi Nottin, François Stéphan
OBJECTIVES: Prothrombin complex concentrates (PCCs) are sometimes used as 'off label' for excessive bleeding after cardiopulmonary bypass (CPB). The main objective of this study was to retrospectively evaluate the clinical and biological efficacy of PCC in this setting. METHODS: We reviewed the charts of all patients who had undergone cardiac surgery under CPB in our institution for 2 years. Patients treated for active bleeding with haemostatic therapy were identified...
September 2012: Interactive Cardiovascular and Thoracic Surgery
R Demeyere, S Gillardin, J Arnout, P F W Strengers
BACKGROUND: Fresh frozen plasma (FFP) and prothrombin complex concentrates (PCC) reverse oral anticoagulants. We compared PCC and FFP intraoperative administration in patients undergoing heart surgery with cardiopulmonary bypass (CPB). METHODS: Forty patients [with international normalized ratio (INR)≥ 2·1] assigned semi-urgent cardiac surgery were randomized to receive either FFP (n = 20) or PCC (n = 20). Prior to CPB, they received either 2 units of FFP or half of the PCC dose calculated according to body weight, initial INR and target INR ( ≤ 1·5)...
October 2010: Vox Sanguinis
F Kaspereit, S Hoffmann, I Pragst, G Dickneite
BACKGROUND: Extracorporeal circuit priming and intravascular volume expansion during cardiopulmonary bypass (CPB) may lead to dilutional coagulopathy and excessive diffuse postoperative bleeding. Prothrombin complex concentrate (PCC) containing clotting factors II (FII), VII (FVII), IX (FIX), and X (FX) could be of potential value in correcting dilutional coagulopathy and reducing blood loss. METHODS: Anaesthetized pigs underwent CPB with hypothermia for 2 h at 25°C followed by 1 h of normothermia...
November 2010: British Journal of Anaesthesia
Ruth Heying, Wim van Oeveren, Stefanie Wilhelm, Katharina Schumacher, Ralph G Grabitz, Bruno J Messmer, Marie-Christine Seghaye
INTRODUCTION: Cardiac surgery with cardiopulmonary bypass (CPB) is associated with the activation of inflammatory mediators that possess prothrombotic activity and could cause postoperative haemostatic disorders. This study was conducted to investigate the effect of cardiac surgery on prothrombotic activity in children undergoing cardiac surgery for complex cardiac defects. METHODS: Eighteen children (ages 3 to 163 months) undergoing univentricular palliation with total cavopulmonary connection (TCPC) (n = 10) or a biventricular repair (n = 8) for complex cardiac defects were studied...
2006: Critical Care: the Official Journal of the Critical Care Forum
Hans-Jörg Hertfelder, Monika Bös, Dagmar Weber, Kai Winkler, Peter Hanfland, Claus J Preusse
On-pump cardiac surgery is accompanied by complex alterations of hemostasis. The excessive postoperative bleeding has been attributed to acquired platelet dysfunction, impaired plasmatic coagulation, and increased fibrinolysis. The characterization of the hemostatic defects responsible for bleeding is crucial for specific treatment and optimal clinical management of the patient. For rapid determination of platelet-dependent primary hemostatic capacity (PHC), the Platelet Function Analyzer PFA-100 system is available...
2005: Seminars in Thrombosis and Hemostasis
S C Nicholson, D M Keeling, M E Sinclair, R D Evans
Heparin infusion may cause heparin resistance and may affect monitoring by measurement of the activated coagulation time (ACT), making the assessment of anticoagulation difficult, with the risk of over- or undertreatment, especially during cardiac surgery. We studied two groups of patients undergoing cardiopulmonary bypass (CPB): patients on heparin infusions (group H) and heparin-naive controls (group C). All patients received heparin 300 IU kg(-1) before CPB and a further dose of 5000 IU if the ACT 5 min after commencing bypass was less than 400 s...
December 2001: British Journal of Anaesthesia
T Kojima, S Gando, O Kemmotsu, H Mashio, Y Goda, H Kawahigashi, N Watanabe
OBJECTIVE: To determine the role of tissue factor and tissue factor pathway inhibitor (TFPI) in coagulation activation during cardiopulmonary bypass (CPB). DESIGN: Prospective, observational study. SETTING: Operating room in a city hospital. PARTICIPANTS: Thirty-one patients undergoing cardiac surgery. MEASUREMENTS AND MAIN RESULTS: The plasma levels of tissue factor antigen (tissue factor), total and free TFPI, several markers of thrombin generation (prothrombin fragment F1+2, thrombin antithrombin complex, and fibrinopeptide A), and heparin concentration were measured...
February 2001: Journal of Cardiothoracic and Vascular Anesthesia
J T Owings, M E Pollock, R C Gosselin, K Ireland, J S Jahr, E C Larkin
HYPOTHESIS: Children who undergo cardiopulmonary bypass (CPB) are proportionally more hemodiluted than adults who undergo CPB. Current methods of monitoring high-dose heparin sulfate anticoagulation are dependent on fibrinogen level. Because of the decreased fibrinogen levels in children, current methods of monitoring heparin anticoagulation overestimate their level of anticoagulation. DESIGN: Prospective controlled trial. MAIN OUTCOME MEASURE: Production of thrombin (adequacy of anticoagulation)...
September 2000: Archives of Surgery
M Rossi, L Martinelli, S Storti, M Corrado, R Marra, C Varano, R Schiavello
BACKGROUND: To evaluate the effectiveness of intraoperative administration of antithrombin III (AT III) to improve anticoagulation and preserve the hemostatic mechanisms during cardiopulmonary bypass (CPB) in patients with unstable angina under heparin treatment. METHODS: We divided 22 patients, scheduled for coronary artery bypass grafting, into two groups. Group A (11 patients) received 3000 International Units (IU) of AT III concentrates plus heparin before aortic cannulation...
December 1999: Annals of Thoracic Surgery
J Babin-Ebell, M Misoph, W Müllges, K Neukam, O Elert
The application of a centrifugal pump might lead to a reduced release of tissue factor (TF) due to less blood cell damage. This could result in a decrease in activation of the extrinsic pathway of coagulation and embolus formation. In the present study, 60 patients undergoing coronary artery bypass grafting were randomly assigned to a centrifugal or a roller pump. Plasma concentrations of TF, thrombin-antithrombin complex (TAT), and prothrombin fragments F1 + 2 were investigated before, during, and after cardiopulmonary bypass (CPB)...
1998: Heart and Vessels
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